Réponses

  • loy
  • Ambitieux
2014-02-23T15:19:05+01:00
-20ײ-36×-16=0
Δ=(-36)²-4×-20×-16
=1296+80×-16
=1296-1280
=16≥0

x1= 36-√16/2×-20=32/-40=-4/5
x2=36+√16/2×-20=40/-40=-1